To explore the sulfur transformation in the grading utilization of coal, the forms and
distributions of sulfur at different operation parameters and foreign minerals were …

Oil shale samples were retorted in a quartz tube reactor to determine the effect of the
retorting temperature on the product yield and release characteristics of gases and shale oil …

The transformation of sulfur was experimentally investigated in a polygeneration process
that integrated coal combustion and pyrolysis. High-sulfur Yanzhou coal was pyrolyzed …

Coal is the most abundant and widely distributed fossil fuel. More than 45% of the world's
electricity is generated from coal, and it is the major fuel for generating electricity worldwide …

The biofuel policy is at a turning point. Conventional biofuels proved to achieve lower
greenhouse gas emission reductions than initially thought and increasing evidence is found …

Six original, three hydrochloric acid treated and three demineralized lignite samples were
pyrolysed at seven different temperatures between 350 and 950° C for 7min under evolved …

Froth flotation (FF) pretreatment of coal from Hazro, Turkey, for enhancing desulfurization
with sodium hydroxide was investigated. FF reduced following contents of coal: ash, 58.54; …

The objective of this study is to determine the lignite use for Turkey's energy necessity.
Lignite is the most important energy resource of Turkey when compared with others …

Background Mahamrutyunjaya rasa is an ayurvedic formulation used in the treatment of
cardiac disorders. It contains the purified roots of Visa (Aconitum ferox), Brihati (Solanum …

Se presentan algunas contribuciones procedimentales para la extracción de vanadio (V),
níquel (Ni) y azufre (S) en petrocoque. Las muestras se sometieron a varios procesos de …